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Replication technique is an effective method for improving the availability of data and enhancing performance, however, it also brings significant costs in storage space and traffic. In this paper, we study how to decrease redundant traffic cost and redundant replicas for replication in structured P2P overlay by topology optimization. We develop a hierarchical proximity-aware P2P overlay with dominating...
To cope with the problem of energy saving in MANET, we propose a signal-strength-based, graded power control method that operates at MAC layer. By considering the effect of signal fading from realistic environment, and adding processing functions for an array of recently incoming packets at physical layer and MAC layer, nodes can adaptively choose the appropriate transmission power for communication,...
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